The traditional culture method for Sturgeon and Trout utilizes springs that provide pristine water at a rate of 300 m³/hr per spring. The oxygen content of this water is around 8.5 ppm, providing the fish with roughly 600 gram oxygen per hour. Under ideal conditions this means that 5000 kg Trout can be produced per year, per spring. By aerating the new ponds with paddlewheel aerators extra oxygen is provided and carbon dioxide is stripped. Ammonia accumulation is then the limiting factor that determines how much fish can be produced per spring. In this case it means that the production per spring can now be increased 8-fold, to 40 tons per year. Instead of the traditional dug-out ponds or concrete raceways ACE installed round corrugated steel tanks, each with 100 m³ water volume. The circular motion of the water in the tanks keeps the bottom clean and forces the fish to exercise, increasing growth and health. This type of farming system is cost effective and can be rapidly installed. If necessary, the system can be dismantled and moved.

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